| (19) |
 |
|
(11) |
EP 0 048 107 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
16.03.1983 Bulletin 1983/11 |
| (43) |
Date of publication A2: |
|
24.03.1982 Bulletin 1982/12 |
| (22) |
Date of filing: 01.09.1981 |
|
|
| (84) |
Designated Contracting States: |
|
BE CH DE FR GB IT LI NL SE |
| (30) |
Priority: |
15.09.1980 US 187284
|
| (71) |
Applicant: THE UPJOHN COMPANY |
|
() |
|
| (72) |
Inventor: |
|
- Tiffany, Burris Dwight
()
|
|
| |
|
| (54) |
Crystalline prostaglandins |
(57) Substantially pure, crystalline forms of the methyl ester and sodium salt of prostaglandin
I
2.